TB MC Qu$.19-68($Static$)$ Division A$,$ which is operating at capacity, $...$

Division A$,$ which is operating at capacity, produces a component that currently sells in a competitive market for $$25$ per unit. At the current level of production, the fixed cost of producing this component is $$8$ per unit and the variable cost is $$10$ per unit. Division B would like to purchase this component from Division A$.$ The price that Division A should charge Division B for this component is:

Multiple Choice

$$10$ per unit.

$$18$ per unit.

$$20$ per unit.

$$25$ per unit.

$$35$ per unit.